Stevens APUE explains the "problem" of the last writer going away and mentions
that the server should open the fifo O_RDWR rather then O_RDONLY if it wants
to avoid getting EOFs.
The new behaviour is correct.
Thanks,
Tim
In message <Pine.LNX.3.91.960331185920.3613B-100000@linux.cs.Helsinki.FI>,Linus
Torvalds writes:
[...]
>
> However, I do like the new code better ("new" - it's actually the
> original linux behaviour, but I had to change it because too many SunOS
> people complained). And the new behaviour is also the same as Solaris etc
> SVR4 boxes, so any truly _portable_ program shouldn't break anyway.
>
> Of course, sysvinit isn't necessarily meant to be portable, and as such
> it's perfectly ok to depend on linux behavioural features.
>
> I don't like the SunOS (pre-81) behaviour, because some programs _want_
> to be able to know when the clients have gone away, and returning 1 for
> select when there are no writers is the "logically" correct thing to do
> anyway, when you look at what "read()" does.
>
> However, I don't feel strongly enough about this to not even consider
> changing it back: I could do that. I'm not 100% sure I want to, though,
> so I'd like some feedback from some more people. What do people think?
> Especailly people who actually _use_ named pipes..
>
> Linus
-- Tim Wright, Worldwide Technical Services, | Email: timw@sequent.com Sequent Computer Systems Inc., 15450, | SW Koll Parkway, Beaverton, Oregon 97006 | Phone: +1-503-578-3822 "Nobody ever said I was charming, they said "Rimmer, you're a git!"" RD VI